What Is the Difference Between U210B and U70B Glass Insulators?

the key differences between the u210b and u70b glass insulators are:

• the u210b has a larger nominal creepage distance of 380 mm, compared to the u70b which has a creepage distance of 255 mm. this means the u210b is designed for higher voltage applications.
• the u210b also has a higher mechanical failing load of 210 kn, compared to the u70b which has a failing load of 70 kn. this indicates the u210b is designed for greater mechanical strength and load-bearing capacity.
• the u210b has a larger ball and socket coupling diameter of 20 mm, while the u70b has a 16 mm coupling. this difference in size affects the mechanical and electrical properties of the insulators.
• the u210b glass insulator is a larger, stronger, and more robust model compared to the u70b, making it suitable for higher voltage and heavier load applications in power transmission infrastructure.

u210b glass insulators are a type of high-voltage glass suspension insulator used to support and insulate electrical conductors, such as power lines. the key features of u210b glass insulators are:

• nominal creepage distance of 380 mm
• ball and socket coupling diameter of 20 mm
• puncture voltage in insulating medium of 130 kv
• mechanical failing load of 210 kn
• tension proof of 105 kn

the u70b glass suspension insulator is a type of high-voltage glass insulator used for insulating and fastening wires and cables on power transmission lines. it has a nominal creepage distance of 255 mm and a mechanical failing load of 70 kn.

• the u70b has a smaller ball and socket coupling diameter of 16 mm compared to the larger u210b model. this indicates the u70b is designed for lower voltage and lighter load applications than the u210b.
• the u70b insulator is made of toughened glass material and is designed to provide electrical insulation and mechanical support for power transmission infrastructure. it is a commonly used model for medium-voltage power lines and distribution networks.
  

so, the key differences between the u70b and u210b glass insulators are the smaller size, lower ratings, and suitability for lower voltage applications for the u70b model compared to the larger, higher-rated u210b.